Dimitris Tsakas plays the alto saxophone at this track which is a Vangelis Papathanasiou piece of music and goes under the professor’s synthesised voice.

“The Greek composer Vangelis created an original piece of music to go under the professor’s synthesised voice. ESA sent the message of hope from its big radio antenna at Cebreros, about 77km west of Madrid. The transmission will reach the black hole in about 3,500 years.”